In a family of six members P, Q, R, S, T, and U, there are two males and four females. P is a teacher, R is the mother of S, and T is the father of U. Q is not a teacher. Who is the male member of the family?
There are four boxes labeled A, B, C, and D. Box A contains apples, Box B contains bananas, Box C contains cherries, and Box D contains dates. The following conditions apply: Box A cannot be chosen if Box C is chosen. Box B must be chosen if Box D is not chosen. Which boxes can be selected together?
Four friends, Lisa, Mark, Nina, and Oliver, are compared based on their heights. Lisa is taller than Mark but shorter than Nina. Oliver is shorter than Lisa. Who is the tallest?